<template>
  <div class="department-container">
    <div class="app-container">
      <el-card>
        <!-- 用一个行列布局 -->
        <el-row
          type="flex"
          justify="space-between"
          align="middle"
          style="height: 40px"
        >
          <el-col :span="20">
            <svg-icon icon-class="tree" /><span>江苏传智播客教育科技股份有限公司</span>
          </el-col>
          <el-col :span="4">
            <el-row type="flex" justify="end">
              <!-- 两个内容 -->
              <el-col>负责人</el-col>
              <!-- 下拉菜单 element -->
              <el-col>
                <el-dropdown>
                  <span> 操作<i class="el-icon-arrow-down" /> </span>
                  <el-dropdown-menu slot="dropdown">
                    <el-dropdown-item>添加子部门</el-dropdown-item>
                  </el-dropdown-menu>
                </el-dropdown>
              </el-col>
            </el-row>
          </el-col>
        </el-row>

        <!-- :data指定要渲染的数据 -->
        <!-- :props指定数据中的对象的某个属性在树形组件显示子节点的属性名 -->
        <!-- @node-click:点击事件,点击某一个节点,获取节点对象数据 -->
        <el-tree :data="list">
          <!-- 使用插件在el-tree内容自定义内容 -->
          <!-- 在template上使用默认作用于插槽 #default={data} 获取足尖上的数据进行渲染 -->
          <template #default="{ data }">
            <el-row
              type="flex"
              justify="space-between"
              align="middle"
              style="height: 40px; width: 100%"
            >
              <el-col :span="20">
                <svg-icon icon-class="tree" style="margin-right: 10px" />
                <span>{{ data.name }}</span>
              </el-col>
              <el-col :span="4">
                <el-row type="flex" justify="end">
                  <!-- 两个内容 -->
                  <el-col>{{ data.manager }}</el-col>
                  <!-- 下拉菜单 element -->
                  <el-col>
                    <el-dropdown>
                      <span> 操作<i class="el-icon-arrow-down" /> </span>
                      <el-dropdown-menu slot="dropdown">
                        <el-dropdown-item @click.native="doAdd(data.id)">
                          添加子部门
                        </el-dropdown-item>
                        <el-dropdown-item @click.native="doEdit(data.id)">
                          编辑子部门
                        </el-dropdown-item>
                        <el-dropdown-item
                          v-if="data.children && data.children.length === 0"
                          @click.native="doDel(data.id)"
                        >
                          删除子部门
                        </el-dropdown-item>
                      </el-dropdown-menu>
                    </el-dropdown>
                  </el-col>
                </el-row>
              </el-col>
            </el-row>
          </template>
        </el-tree>
        <!--

         -->
      </el-card>
      <el-dialog
        title="新增子部门"
        :visible.sync="showDialog"
        :close-on-click-modal="false"
        :close-on-press-escape="false"
        @close="doClose"
      >
        <!-- 解决数据不更新的方式:
        1. v-if="showDialog" 销毁后重建,数据不会保留
        2. 在父组件调用子组件 加载页面的方法 要解决异部微任务更新 -->
        <addOrEdit
          :id="curId"
          ref="myDept"
          :title="isEdit?'编辑部门':'新增子部门'"
          :is-edit="isEdit"
          :origin-list="originList"
          @success="hSuccess"
          @close="showDialog=false"
        />
      </el-dialog>
    </div>
  </div>
</template>
<script>
import { deleteDepartments, getDepartments } from '@/api/departments'
import { tranListToTreeList } from '@/utils'
import addOrEdit from './deptDialog.vue'
export default {
  components: {
    addOrEdit
  },
  data() {
    return {
      list: [],
      showDialog: false,
      curId: '',
      isEdit: false,
      originList: []
    }
  },
  created() {
    this.loadTreeList()
  },
  methods: {
    async loadTreeList() {
      const res = await getDepartments()
      console.log(res)
      this.originList = res.data.depts.map(item => {
        const { name, code, id, pid } = item
        return { name, code, id, pid }
      })
      res.data.depts.shift() // 删除第一条数据
      this.list = tranListToTreeList(res.data.depts)
    },
    doAdd(id) {
      this.showDialog = true
      this.curId = id
      this.isEdit = false
    },
    hSuccess() {
      this.showDialog = false
      this.loadTreeList()
    },
    doEdit(id) {
      this.isEdit = true
      this.showDialog = true
      this.curId = id
      // 解决数据不更新
      this.$nextTick(() => {
        this.$refs.myDept.loadDepartmentDetail()
      })
    },
    doDel(id) {
      this.$confirm('您确认要删除改部门吗,是否继续?', '提示',
        {
          confirmButtonText: '确认',
          cancelButtonText: '取消',
          type: 'warning'
        }).then(async() => {
        const res = await deleteDepartments(id)
        console.log(res, '删 ')
        if (res.success) {
          // 重新刷新页面
          this.loadTreeList()
        }
      })
        .catch(action => {
          this.$message({
            type: 'info',
            message: '取消删除'
          })
        })
    },
    doClose() {
      console.log('关闭弹层')
      // 清空子组件 的表单
      this.$refs.myDept.resetForm()
    }
  }
}
</script>
